Series

Scaling PostgreSQL with PgBouncer

A practical two-part guide to building a Spring Boot 4 and Kotlin benchmark application, configuring PgBouncer transaction pooling, and measuring how it protects PostgreSQL under concurrent load.

I Built a Spring Boot 4 App to Put PgBouncer to the Test
Part 1: Build a production-style Kotlin testbed with hexagonal architecture, PostgreSQL, Testcontainers, and a repeatable concurrency benchmark
Aug 17, 20269 min read8
PgBouncer with Spring Boot 4: Setup, Gotchas, and the Proof
Part 2: Add transaction pooling to the benchmark app, avoid prepared-statement traps, and see where connection pooling earns its keep
Aug 17, 20266 min read34

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